Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Tables)

v3.21.1
Stock-Based Compensation (Tables)
3 Months Ended
Mar. 31, 2021
Share-based Payment Arrangement [Abstract]  
Schedule of Fair Value Assumptions of Stock Options

The following table provides the weighted average assumptions used in determining the fair value of the stock option awards granted during the three-month periods ended March 31, 2021 and 2020.

 

    March 31, 2021     March 31, 2020  
    (unaudited)  
Risk-free interest rate     0.78 %     1.51 %
Expected life     6.0 years       6.0 years  
Expected volatility     134.79 %     128.87 %
Dividend yield     -       -